package sjjg;

public class Sjx2 {
    public static void main(String[] args) {
       int[][] arr = {{1,0,0,0},{1,2,0,0},{1,2,3,0},{1,2,3,4}};
       TriangularNatrix triangularNatrix = new TriangularNatrix();
       triangularNatrix.compress(arr);


       int d = triangularNatrix.getValue(2,0);

    }
}
